Function Machine Subtraction Medium — Set 59

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        "operation": "function-machine",
        "subject": "arithmetic",
        "difficulty": "medium",
        "config": {
            "difficulty": "medium",
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        "problems": [
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                "type": "function-machine",
                "subType": "find-rule",
                "rule": "+4 ×2",
                "input": 8,
                "output": 24,
                "question": "Input: 8 → [?] → 24, what is the rule?",
                "answer": "+4 ×2",
                "correctAnswer": "+4 ×2",
                "difficulty": "medium"
            },
            {
                "id": 2,
                "type": "function-machine",
                "subType": "find-output",
                "rule": "×2 + 3",
                "input": 6,
                "output": 15,
                "question": "Input: 6 → [×2 + 3] → ?",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "medium"
            },
            {
                "id": 3,
                "type": "function-machine",
                "subType": "find-rule",
                "rule": "+10",
                "input": 10,
                "output": 20,
                "question": "Input: 10 → [?] → 20, what is the rule?",
                "answer": "+10",
                "correctAnswer": "+10",
                "difficulty": "medium"
            },
            {
                "id": 4,
                "type": "function-machine",
                "subType": "find-output",
                "rule": "+10",
                "input": 2,
                "output": 12,
                "question": "Input: 2 → [+10] → ?",
                "answer": 12,
                "correctAnswer": "12",
                "difficulty": "medium"
            },
            {
                "id": 5,
                "type": "function-machine",
                "subType": "find-output",
                "rule": "×5",
                "input": 9,
                "output": 45,
                "question": "Input: 9 → [×5] → ?",
                "answer": 45,
                "correctAnswer": "45",
                "difficulty": "medium"
            },
            {
                "id": 6,
                "type": "function-machine",
                "subType": "find-input",
                "rule": "×3",
                "input": 6,
                "output": 18,
                "question": "? → [×3] → 18",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "medium"
            },
            {
                "id": 7,
                "type": "function-machine",
                "subType": "find-output",
                "rule": "×2",
                "input": 10,
                "output": 20,
                "question": "Input: 10 → [×2] → ?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "medium"
            },
            {
                "id": 8,
                "type": "function-machine",
                "subType": "find-rule",
                "rule": "+10",
                "input": 6,
                "output": 16,
                "question": "Input: 6 → [?] → 16, what is the rule?",
                "answer": "+10",
                "correctAnswer": "+10",
                "difficulty": "medium"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "outputTargets": {
        "screen": true,
        "print": true,
        "pdf": true,
        "answerKey": true
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}